12989559

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{20717}}^1$

素因数の和:20750

約数の個数: 16

約数和(自身を含む): 19889280

約数和(自身を除く): 6899721

約数列:

[1, 3, 11, 19, 33, 57, 209, 627, 20717, 62151, 227887, 393623, 683661, 1180869, 4329853, 12989559]

約数ペア:

[(1, 12989559), (3, 4329853), (11, 1180869), (19, 683661), (33, 393623), (57, 227887), (209, 62151), (627, 20717)]